Home / 12,456,916.32-17,199,044.51-8,057,306.55

Finding the Fourth Proportional to 12,456,916.32, 17,199,044.51 and 8,057,306.55

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Solution

The fourth proportional to 12,456,916.32, 17,199,044.51 and 8,057,306.55 is: 11,124,580.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,456,916.32 : 17,199,044.51 = 8,057,306.55 : x
  2. Step 2: Convert to fraction form
    12,456,916.32/17,199,044.51 = 8,057,306.55/x
  3. Step 3: Cross multiply
    12,456,916.32x = 17,199,044.51 × 8,057,306.55
  4. Step 4: Simplify right side
    12,456,916.32x = 138,577,973,939,811.38
  5. Step 5: Solve for x
    x = 138,577,973,939,811.38/12,456,916.32
  6. Step 6: Final answer
    x = 11,124,580.95

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.